3. Scope: This Regulation applies to:(a) any establishment constructed or brought into operation after 19 December 1979;
(b) any rearrangement or modification of an existing establishment that may affect one of the subjects treated in this Regulation; and
(c) any enlargement of an existing establishment.
This Regulation also applies, effective from 19 December 1979, to establishments already constructed on that date, except for sections 18 and 53, which apply to those establishments effective from 30 June 1980, and sections 11, 22 and 37 that apply thereto effective from 30 June 1981. However, section 31 applies only to the cases specified in subparagraph a of the first paragraph.
This Regulation applies with the necessary modifications to new and existing construction sites, except sections 4, 14 to 16, 30 to 32, 41 to 43, 53, 58 and 67 and other provisions that exclude construction sites or any category thereof.
R.R.Q., 1981, c. S-2.1, r. 15, s. 3.